package Servicios;

import DAO.DAOOfertaAcademica;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class VisualizadorOfertaAcademica extends HttpServlet {

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String evento = request.getParameter("evento");
        if (evento.equals("registro")) {
            mostrarFormRegistro(request, response);
        } else if (evento.equals("eliminar")) {
            mostrarFormBusquedaEliminar(request, response);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

    private void mostrarFormRegistro(HttpServletRequest request, HttpServletResponse response) {
        PrintWriter out = null;
        try {
            response.setContentType("text/html;charset=UTF-8");
            out = response.getWriter();
            String respuesta = "<form action = 'GestorOfertaAcademica?action=upload' enctype = 'multipart/form-data' method = 'POST'>"
                    + "<p>"
                    + "Nombre de la oferta academica"
                    + "<input type=\"text\" name=\"nombreOF\" size=\"30\"> </p>"
                    + "<p> Seleccionar oferta academica<br>"
                    + "<input type=\"file\" name=\"file\" size=\"40\">"
                    + "</p>"
                    + "<div>"
                    + "<input type=\"submit\" value='Registrar'>"
                    + "</div>"
                    + "</form>";
            
            out.println(respuesta);
        } catch (IOException ex) {
            Logger.getLogger(VisualizadorOfertaAcademica.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            out.close();
        }
    }

    private void mostrarFormBusquedaEliminar(HttpServletRequest request, HttpServletResponse response) {
        PrintWriter out = null;
        try {
            response.setContentType("text/html;charset=UTF-8");
            out = response.getWriter();
            String cadena = "";
            cadena+="<table>"
                    +"    <tr>"
                    +"        <td>Nombre de la oferta academica:</td>"
                    +"        <td><input type=\"text\" id=\"nombreOF\"></td>"
                    +"    </tr>"
                    +"    <tr>"
                    +"        <td><input value=\"Buscar oferta\" type=\"button\" id=\"buscarOF\"></td>"
                    +"    </tr>"
                    +"</table>";
            out.println(cadena); 
        } catch (IOException ex) {
            Logger.getLogger(VisualizadorOfertaAcademica.class.getName()).log(Level.SEVERE, null, ex);
        } finally {
            out.close();
        }
    }
}
